extern int frameH;// = 540;
extern int frameW;// = 960;
extern int lowThreshold = 30; // canny
extern int ratio = 6;
extern int kernel_size = 3;

extern int maxHeight; // = 100;
extern int maxWidth;// = 50;
extern int minHeight;// = 4;
extern int minWidth;// = 4;
extern double minLength;// = 10.;

extern int minSubContourLen;// = 3;
extern int minContourSubcontersNumber;// = 6;